Evernote: First of all, this great little program can be on your desktop, browser or mobile.
Dropbox: The best back up you’ll ever have.
AdobeReaderXI: A PDF mark-up tool for proofreading a print PDF before it’s printed.
BitLit: Imagine all those readers who bought your print books.
Slicebooks: It slices them into chapters and sections. Remix your catalogue into completely new titles with new covers.